Embryology is the branch of biology and medicine concerned with the study of embryos and their development; embryogenesis is the formation and development of an embryo; embryoscopy is the examination of an embryo in early pregnancy by using an endoscope; an embryopathy is an anomaly in the development of an embryo. The usual adjective is embryonic, which also has a figurative sense of something that is in a rudimentary stage with potential for further development.